Home / 118,622.07-163,776.33-70,890.39

Finding the Fourth Proportional to 118,622.07, 163,776.33 and 70,890.39

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Solution

The fourth proportional to 118,622.07, 163,776.33 and 70,890.39 is: 97,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,622.07 : 163,776.33 = 70,890.39 : x
  2. Step 2: Convert to fraction form
    118,622.07/163,776.33 = 70,890.39/x
  3. Step 3: Cross multiply
    118,622.07x = 163,776.33 × 70,890.39
  4. Step 4: Simplify right side
    118,622.07x = 11,610,167,906.47
  5. Step 5: Solve for x
    x = 11,610,167,906.47/118,622.07
  6. Step 6: Final answer
    x = 97,875.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.